Thomas baebbb



(No Model.)

T. BARBER.

STUFPING BOX.

No. 313,703. Patented'Mar. 10, 1885.

ATTORNEYS Nrrnn STATES Aralar @Finca THOMAS BARBER, OF FLATBUSH, NEW YORK.

STUFFvlNG-BOX.

:'EEECIFICATION forming part of Letters Patent No. 313,703, dated March 10, 1885.

Application filed June 5, 1S- 4. (Xo model.)

To all whom, it may concern! Be it known that I, THOMAS BARBER, a citizen of the United States, residing at Flatbush, in the county of Kings and State of New York, have invented new and useful Impro'vements in StufngBoxes, of which the following is a speciication.

This invention relates to stuffing Yboxes for steam-engines and other general uses; and it consists in the novel features of construction hereinafter described, whereby an article of superior utility is obtained.

In the accompanying drawings, Figure 1 is a longitudinal section of a stuffing-box embodying my invention. Fig. 2 is an end view thereof. Fig. 3 is a cross-section of the same.

Similar lettersindicate corresponding parts.

The letter A designates the body ofthe box, which is'bolted or otherwise properly secured to the desired part-fas to the head of a cylinder, and B C are two glands, both acting on a set of packing-rings, D or E, which are fitted Vupon the piston-rod F or other part to which the box is concomitant. The gland B, which may be termed the main gland,7 is secured to the body of the box by means of an external screw-thread engaging an internal a portion of its thread exposed, as shown in Fig. l. Both glands B C are provided with sockets to receive a key or wrench for adjusty ing the same, and the main gland operates to compress the packingrings D against the in-` ner end ofthe usual annular spaeein thebody ofthe box, while the auxiliary gland C operates to compress the packing-rings E against the outer end of the main gland, and it will be seen that by this construction a very efiieient stung-box is obtained. I

It is evident that instead of packing-rings any other suitable form ofpaeking may be employed, and instead of the screw-threads any other known means may be employed for securing the parts to each other.

Vhat I claim as new, and desire to secure by Letters Patent, is-

The combination. substantially as hereinbefore described, with the body ot' the box having an internal screw-thread, ot' the main gland having an external screw-thread to engage the thread of the body and the auxiliary gland THoMAs BARBER..

Vitnesses:

W. HAUFF, CHAs. WAHrERs. 

